EP0262419A3 - Process for removing acids from cataphoretic painting baths - Google Patents

Process for removing acids from cataphoretic painting baths Download PDF

Info

Publication number
EP0262419A3
EP0262419A3 EP87112627A EP87112627A EP0262419A3 EP 0262419 A3 EP0262419 A3 EP 0262419A3 EP 87112627 A EP87112627 A EP 87112627A EP 87112627 A EP87112627 A EP 87112627A EP 0262419 A3 EP0262419 A3 EP 0262419A3
Authority
EP
European Patent Office
Prior art keywords
ultrafiltrate
membrane
ultrafiltration
removing acids
coating bath
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87112627A
Other languages
English (en)
Other versions
EP0262419A2 (de
EP0262419B1 (de
Inventor
Hartwig Dr. Voss
Thomas Dr. Bruecken
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Coatings GmbH
Original Assignee
BASF SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Priority to AT87112627T priority Critical patent/ATE89339T1/de
Publication of EP0262419A2 publication Critical patent/EP0262419A2/de
Publication of EP0262419A3 publication Critical patent/EP0262419A3/de
Application granted granted Critical
Publication of EP0262419B1 publication Critical patent/EP0262419B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00Electrophoretic coating characterised by the process
    • C25D13/22Servicing or operating apparatus or multistep processes
    • C25D13/24Regeneration of process liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Paints Or Removers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
EP87112627A 1986-09-03 1987-08-29 Verfahren zum Entfernen von Säure aus kathodischen Elektrotauchlackier-Bädern Expired - Lifetime EP0262419B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87112627T ATE89339T1 (de) 1986-09-03 1987-08-29 Verfahren zum entfernen von saeure aus kathodischen elektrotauchlackier-baedern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3629981 1986-09-03
DE19863629981 DE3629981A1 (de) 1986-09-03 1986-09-03 Verfahren zum entfernen von saeure aus kathodischen elektrotauchlackier-baedern

Publications (3)

Publication Number Publication Date
EP0262419A2 EP0262419A2 (de) 1988-04-06
EP0262419A3 true EP0262419A3 (en) 1989-05-31
EP0262419B1 EP0262419B1 (de) 1993-05-12

Family

ID=6308829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87112627A Expired - Lifetime EP0262419B1 (de) 1986-09-03 1987-08-29 Verfahren zum Entfernen von Säure aus kathodischen Elektrotauchlackier-Bädern

Country Status (5)

Country Link
US (1) US4775478A (de)
EP (1) EP0262419B1 (de)
JP (1) JPS6362899A (de)
AT (1) ATE89339T1 (de)
DE (2) DE3629981A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3642164A1 (de) * 1986-12-10 1988-06-23 Basf Ag Verfahren zum entfernen von saeure aus kathodischen elektrotauchlackier-baedern mittels elektrodialyse
US5047128A (en) * 1990-01-02 1991-09-10 Shipley Company Inc. Electrodialysis cell for removal of excess electrolytes formed during electrodeposition of photoresists coatings
DE4207425A1 (de) * 1992-03-09 1993-09-16 Eisenmann Kg Maschbau Verfahren zur lack-overspray-rueckgewinnung bei spritzapplikationen und vorrichtung zur verfahrensdurchfuehrung
JP2634509B2 (ja) * 1991-07-31 1997-07-30 川崎重工業株式会社 乗降場の引戸装置
JP2634510B2 (ja) * 1991-07-31 1997-07-30 川崎重工業株式会社 乗降場等の扉開閉駆動装置
JP2601902Y2 (ja) * 1991-07-31 1999-12-13 川崎重工業株式会社 軌道車両用の乗降場の引戸装置
JP2556731Y2 (ja) * 1991-07-31 1997-12-08 川崎重工業株式会社 軌道車両用の乗降場の折戸装置
JPH05246330A (ja) * 1992-03-06 1993-09-24 East Japan Railway Co 可動ゲート付き安全柵
JPH07100437B2 (ja) * 1993-03-05 1995-11-01 東日本旅客鉄道株式会社 可動ゲート付き安全柵
US6001255A (en) * 1993-07-12 1999-12-14 Eyal; Aharon Process for the production of water-soluble salts of carboxylic and amino acids
DE69420278D1 (de) * 1993-07-12 1999-09-30 Aharon Eyal Verfahren zur herstellung von wasserlöslichen salzen von carbonsäuren und aminosäuren
DE19604700C1 (de) * 1996-02-09 1997-05-07 Geesthacht Gkss Forschung Verfahren zur Separierung organischer Säuren aus einem Fermentationsmedium
US6260407B1 (en) * 1998-04-03 2001-07-17 Symyx Technologies, Inc. High-temperature characterization of polymers
CN1093571C (zh) * 1998-12-01 2002-10-30 陈渭贤 补色法电沉积制造彩色铝合金制品的方法
DE60129700T3 (de) * 2000-06-30 2012-03-15 Asahi Kasei Chemicals Corp. Verfahren und vorrichtung zur behandlung von abwasser kationischer elektroabscheidungsüberzugs-beschichtungsverfahren
US8801909B2 (en) * 2006-01-06 2014-08-12 Nextchem, Llc Polymetal hydroxychloride processes and compositions: enhanced efficacy antiperspirant salt compositions
US7846318B2 (en) * 2006-01-06 2010-12-07 Nextchem, Llc Polyaluminum chloride and aluminum chlorohydrate, processes and compositions: high-basicity and ultra high-basicity products

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663398A (en) * 1970-09-14 1972-05-16 Ppg Industries Inc Ion exchange of an ultrafiltrate derived from an electrodeposition bath
US4320009A (en) * 1977-07-25 1982-03-16 Frito-Lay, Inc. Processed anthocyanin pigment extracts

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3132094A (en) * 1958-09-11 1964-05-05 Gulf Research Development Co Ultrafiltration of electrolyte solutions through ion-exchange memberanes
US3495465A (en) * 1968-08-28 1970-02-17 Gen Motors Corp Phase modulated electric suspension
US3799854A (en) * 1970-06-19 1974-03-26 Ppg Industries Inc Method of electrodepositing cationic compositions
US3663405A (en) * 1971-02-25 1972-05-16 Ppg Industries Inc Ultrafiltration of electrodepositable compositions
US3663406A (en) * 1971-03-11 1972-05-16 Ppg Industries Inc Combined electrodialysis and ultrafiltration of an electrodeposition bath
JPS5243187B2 (de) * 1972-10-06 1977-10-28
JPS5373294A (en) * 1976-12-13 1978-06-29 Kao Corp Cationic polyurethane emulsion coposition
ZA796485B (en) * 1978-12-11 1980-11-26 Shell Res Ltd Thermosetting resinous binder compositions,their preparation,and use as coating materials
US4412922A (en) * 1980-07-02 1983-11-01 Abcor, Inc. Positive-charged ultrafiltration membrane for the separation of cathodic/electrodeposition-paint compositions
JPS6010118B2 (ja) * 1981-11-26 1985-03-15 ハニ−化成株式会社 電着塗装装置
GB2111081A (en) * 1981-12-09 1983-06-29 Aeg Elotherm Gmbh Electrochemical machining
US4664808A (en) * 1982-08-13 1987-05-12 General Electric Company Method for continuous separation of dissolved materials
CH657144A5 (de) * 1983-05-04 1986-08-15 Ciba Geigy Ag Verfahren zur umwandlung schwerloeslicher salze anionischer farbstoffe und optischer aufheller in leichter loesliche salze mittels kationenaustausch.
US4581111A (en) * 1984-03-28 1986-04-08 Ppg Industries, Inc. Treatment of ultrafiltrate by electrodialysis
EP0166015B1 (de) * 1984-06-26 1988-12-28 Tosoh Corporation Fluorkohlenstoff-Anionenaustauscher und deren Herstellungsverfahren

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663398A (en) * 1970-09-14 1972-05-16 Ppg Industries Inc Ion exchange of an ultrafiltrate derived from an electrodeposition bath
US4320009A (en) * 1977-07-25 1982-03-16 Frito-Lay, Inc. Processed anthocyanin pigment extracts

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 7, Nr. 191 (C-182)[1336], 20. August 1983; & JP-A-58 91 199 (HONNY KASEI K.K.) 31-05-1983 *

Also Published As

Publication number Publication date
JPS6362899A (ja) 1988-03-19
DE3785814D1 (de) 1993-06-17
DE3629981A1 (de) 1988-03-17
EP0262419A2 (de) 1988-04-06
ATE89339T1 (de) 1993-05-15
US4775478A (en) 1988-10-04
EP0262419B1 (de) 1993-05-12

Similar Documents

Publication Publication Date Title
EP0262419A3 (en) Process for removing acids from cataphoretic painting baths
EP0271015A3 (en) Electrodialysis process for removing acids from cataphoretic painting baths
KR970707245A (ko) 전착에 사용하기 적합한 양이온 수지 및 캡핑된 폴리이소시아네이트 경화제(cationic resin and capped polyisocyanate curing agent suitable for use in electrodeposition)
WO1993018209A3 (en) Process for the electrooxidation of methanol to formaldehyde and methylal
JPS5719395A (en) Pretreatment of special steel for electroplating gold directly
WO1996026247A3 (en) Electrocoating compositions and methods therefor
ATE5597T1 (de) Verfahren zum beschichten eines elektrisch leitfaehigen substrates.
ATE72270T1 (de) Verfahren zum entfernen von saeure aus kathodischen elektrotauchlackier-baedern mittels elektrodialyse.
US3671412A (en) Process for the removal of ionic contaminants from an electrocoating bath
KR880002937A (ko) 폴리우레판 수지 분산재를 함유한 양이온 전해석출성 수지조성물
DE3868914D1 (en) Coating electrically conductive substrates
JPS58171596A (ja) 金属製支持体上に施される少なくとも1種の化合物を含有する電解質水溶液中で支持体材料の片面もしくは両面に電気泳動的に塗布する方法
KR0160485B1 (ko) 금속재표면의 칼라코팅방법
US3444064A (en) Method for improving operational stability of electrocoating bath
KR900700552A (ko) 전기전도성 기판의 코팅방법, 이 방법으로 코팅된 기판 및 수성 전기코팅배드
ES2018663B3 (es) Baños acuosos de recubrimiento electrolitico por inmersion para el recubrimiento catodico por inmersion y metodos para su preparacion.
US3444065A (en) Method for electrodeposition of paint
JPS5554597A (en) Electrodeposition coating method of aluminum product
KR20180041847A (ko) 고방청 수용성 전착도료 적용 전산볼트 및 이의 제조방법
US3444063A (en) Method for improving operational stability of electrocoating bath
ATE19102T1 (de) Verfahren zur vorbehandlung von carbonamidgruppenhaltigen thermoplastischen kunststoffen zur herstellung von festhaftenden metallueberzuegen.
JPS6260897A (ja) カチオン電着における透過膜の洗浄方法
NO116350B (de)
Belanger Cathodic Electrocoating
Oota Anodizing Aluminum Articles With Removal of Acid From Fine Pores and Sealing

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE FR GB IT LI NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE FR GB IT LI NL SE

17P Request for examination filed

Effective date: 19890803

17Q First examination report despatched

Effective date: 19910207

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE FR GB IT LI NL SE

REF Corresponds to:

Ref document number: 89339

Country of ref document: AT

Date of ref document: 19930515

Kind code of ref document: T

ITF It: translation for a ep patent filed
REF Corresponds to:

Ref document number: 3785814

Country of ref document: DE

Date of ref document: 19930617

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19930526

ET Fr: translation filed
EAL Se: european patent in force in sweden

Ref document number: 87112627.2

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: SCHMAUDER & PARTNER AG PATENTANWALTSBUERO

NLS Nl: assignments of ep-patents

Owner name: BASF COATINGS AKTIENGESELLSCHAFT

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20000720

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20000817

Year of fee payment: 14

Ref country code: AT

Payment date: 20000817

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20000818

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20000822

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20000921

Year of fee payment: 14

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010829

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010829

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010830

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010831

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010831

BERE Be: lapsed

Owner name: BASF A.G.

Effective date: 20010831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020301

EUG Se: european patent has lapsed

Ref document number: 87112627.2

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20020301

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050829

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20060808

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060824

Year of fee payment: 20

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT